User Guide Standards - Ametek Reichert Phoroptor VRx User Manual

Instrument Setup

User Guide Standards

The Phoroptor VRx performs all refraction methods. The user selects the order of the examination
steps. Windows CE is the operating system of the Phoroptor VRx. Activate the functions using the
Phoroptor VRx Controller Keypad buttons, the Control Knob, or the Controller Touchscreen.
Control Knob Use
Turn the Control Knob clockwise or counterclockwise to change the numeric values and the selection of
fields as follows:
• Clockwise rotation (turning the Control Knob to the right) increases the plus (+) Sphere power,
plus (+) Cylinder power, or increases the power of prism in a certain direction.
• Counterclockwise rotation (turning the Control Knob to the left) increases the minus (-) Sphere
power, minus (-) Cylinder power, or increases the power of prism in a certain direction.
Note: If you press and turn the Control Knob (at the same time), the changes are made in
larger steps.
Press the Control Knob to do the following:
• Enter the data.
• Move to the next Refraction step.
• Finish the operation.
Note: To adjust a specific measurement, touch the data field on the screen and turn the Control
Knob to adjust the value (e.g., sphere in the right eye).
Press and turn the Control Knob (at the same time) either clockwise or counterclockwise to do the
following:
• Adjusts the Sphere by 1.00 D increments
• Adjusts the Cylinder by 1.00 D increments
• Adjusts the Axis by 10° increments
Control Knob, Screen Icon, and Keypad Button Standards
From this point forward, when the guide refers to the Control Knob, Screen Icons, or Keypad Buttons,
the instructions state:
Control Knob
• "Press the CONTROL KNOB"
• "Turn the CONTROL KNOB"
• "Press and turn the CONTROL KNOB (at the same time)."
Screen Icon
• "Touch XXXX..."
Keypad Button
• "Press the XXXX button."
Control Knob and Screen Icon Choice
• "Press the CONTROL KNOB, or touch XXXX..."
16241-101 Rev. D
(continued)
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